package com.itheima.service;

import com.itheima.pojo.*;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

public interface ReportService {
    //统计员工性别
    List<Map> employeeGenderStats();
    //统计员工工作
    EmpJobData employeePositionCount();

    List<Map> studentEducationStats();

    ClazzNumberData classStudentCount();
}
